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12514115430 = 2325139045727
BaseRepresentation
bin10111010011110011…
…00011111101100110
31012022010111221010200
423221321203331212
5201112103143210
65425432531330
7622053140355
oct135171437546
935263457120
1012514115430
11534198a163
122512b50b46
13124581c73b
1486a00999c
154d39760c0
hex2e9e63f66

12514115430 has 24 divisors (see below), whose sum is σ = 32536700352. Its totient is φ = 3337097424.

The previous prime is 12514115423. The next prime is 12514115459. The reversal of 12514115430 is 3451141521.

12514115430 is a `hidden beast` number, since 1 + 2 + 514 + 115 + 4 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12514115394 and 12514115403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69522774 + ... + 69522953.

It is an arithmetic number, because the mean of its divisors is an integer number (1355695848).

Almost surely, 212514115430 is an apocalyptic number.

12514115430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12514115430 is an abundant number, since it is smaller than the sum of its proper divisors (20022584922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12514115430 is a wasteful number, since it uses less digits than its factorization.

12514115430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139045740 (or 139045737 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 12514115430 its reverse (3451141521), we get a palindrome (15965256951).

The spelling of 12514115430 in words is "twelve billion, five hundred fourteen million, one hundred fifteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 139045727 278091454 417137181 695228635 834274362 1251411543 1390457270 2085685905 2502823086 4171371810 6257057715 12514115430